/**
* This function converts an array of url extensions,
* and formats them to be used in url-related regex.
* @return string
* @uses Helpers::arrayToString
* @uses self::urlExtensions
* @uses Helpers::replaceCharacters
*/
public static function extensionsToString()
{
$extensions_string = Helpers::arrayToString(self::urlExtensions());
return Helpers::replaceCharacters($extensions_string, ",", "|");
}
private function generateTestArrayToString(array $original_array, $exp_result, $delimiter = ",")
{
$result = Helpers::arrayToString($original_array);
$this->assertEquals($exp_result, $result);
}